147223 has 8 divisors (see below), whose sum is σ = 158688. Its totient is φ = 136224.
The previous prime is 147221. The next prime is 147227. The reversal of 147223 is 322741.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 147223 - 21 = 147221 is a prime.
It is a super-2 number, since 2×1472232 = 43349223458, which contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 147223.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (147221) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 765 + ... + 937.
It is an arithmetic number, because the mean of its divisors is an integer number (19836).
2147223 is an apocalyptic number.
147223 is a deficient number, since it is larger than the sum of its proper divisors (11465).
147223 is a wasteful number, since it uses less digits than its factorization.
147223 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 233.
The product of its digits is 336, while the sum is 19.
The square root of 147223 is about 383.6964946413. The cubic root of 147223 is about 52.8029947414.
Adding to 147223 its reverse (322741), we get a palindrome (469964).
It can be divided in two parts, 1472 and 23, that multiplied together give a square (33856 = 1842).
The spelling of 147223 in words is "one hundred forty-seven thousand, two hundred twenty-three", and thus it is an iban number.
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